Improvement for authentication module

src/app/core/auth/models/auth-token-info.model.ts

@@ -0,0 +1,11 @@
+export class AuthTokenInfo {
+  public accessToken: string;
+  public expires?: number;
+
+  constructor(token: string, expiresIn?: number) {
+    this.accessToken = token.replace('Bearer ', '');
+    if (expiresIn) {
+      this.expires = expiresIn * 1000 + Date.now();
+    }
+  }
+}